CCWSX vs. MIEIX

Last updated Jun 23, 2026

CCWSX (Chautauqua International Growth Fund) and MIEIX (MFS International Equity Fund Class R6) are both Foreign Large Cap Equities funds. Over the past 5 years, CCWSX returned 3.15%/yr vs 7.33%/yr for MIEIX. Their correlation of 0.81 suggests significant overlap in exposure. CCWSX charges 1.05%/yr vs 0.68%/yr for MIEIX.

Performance

CCWSX vs. MIEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Chautauqua International Growth Fund (CCWSX) and MFS International Equity Fund Class R6 (MIEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CCWSX achieves a -5.54% return, which is significantly lower than MIEIX's 3.08% return.

CCWSX

• 1D: 1.76%
• 1M: 0.48%
• YTD: -5.54%
• 6M: -6.08%
• 1Y: 2.61%
• 3Y*: 7.32%
• 5Y*: 3.15%
• 10Y*: —

MIEIX

• 1D: -0.02%
• 1M: 0.48%
• YTD: 3.08%
• 6M: 2.57%
• 1Y: 11.64%
• 3Y*: 12.06%
• 5Y*: 7.33%
• 10Y*: 10.48%

*Multi-year figures are annualized to reflect compound growth (CAGR)

CCWSX vs. MIEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CCWSX Chautauqua International Growth Fund	-5.54%	19.17%	11.30%	12.16%	-18.05%	6.62%	39.37%	26.43%	-17.36%	34.60%
MIEIX MFS International Equity Fund Class R6	3.08%	23.22%	4.13%	19.06%	-14.82%	15.13%	11.11%	28.42%	-10.66%	28.01%

Correlation

The correlation between CCWSX and MIEIX is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.81

The correlation between CCWSX and MIEIX has been stable across timeframes, ranging from 0.77 to 0.83 - a consistent structural relationship.

Return for Risk

CCWSX vs. MIEIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CCWSX

CCWSX Risk / Return Rank: 3
CCWSX Sharpe Ratio Rank: 3
CCWSX Sortino Ratio Rank: 3
CCWSX Omega Ratio Rank: 3
CCWSX Calmar Ratio Rank: 3
CCWSX Martin Ratio Rank: 3

MIEIX

MIEIX Risk / Return Rank: 13
MIEIX Sharpe Ratio Rank: 12
MIEIX Sortino Ratio Rank: 13
MIEIX Omega Ratio Rank: 13
MIEIX Calmar Ratio Rank: 12
MIEIX Martin Ratio Rank: 14

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CCWSX vs. MIEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Chautauqua International Growth Fund (CCWSX) and MFS International Equity Fund Class R6 (MIEIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	CCWSX	MIEIX	Difference
Sharpe ratio: Return per unit of total volatility	0.07	0.91	-0.84
Sortino ratio: Return per unit of downside risk	0.22	1.36	-1.14
Omega ratio: Gain probability vs. loss probability	1.03	1.17	-0.14
Calmar ratio: Return relative to maximum drawdown	0.06	1.08	-1.02
Martin ratio: Return relative to average drawdown	0.17	3.77	-3.61

CCWSX vs. MIEIX - Sharpe Ratio Comparison

The current CCWSX Sharpe Ratio is 0.07, which is lower than the MIEIX Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of CCWSX and MIEIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CCWSX vs. MIEIX - Drawdown Comparison

The maximum CCWSX drawdown since its inception was -34.59%, smaller than the maximum MIEIX drawdown of -53.13%. Use the drawdown chart below to compare losses from any high point for CCWSX and MIEIX.

Drawdown Indicators

	CCWSX	MIEIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.59%	-53.13%	+18.54%
Max Drawdown (1Y) Largest decline over 1 year	-19.75%	-11.26%	-8.49%
Max Drawdown (3Y) Largest decline over 3 years	-19.75%	-13.43%	-6.32%
Max Drawdown (5Y) Largest decline over 5 years	-34.59%	-28.07%	-6.52%
Max Drawdown (10Y) Largest decline over 10 years	—	-31.35%	—
Current Drawdown Current decline from peak	-9.68%	-1.65%	-8.03%
Average Drawdown Average peak-to-trough decline	-8.89%	-8.96%	+0.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.47%	3.21%	+4.26%

Volatility

CCWSX vs. MIEIX - Volatility Comparison

Chautauqua International Growth Fund (CCWSX) has a higher volatility of 5.57% compared to MFS International Equity Fund Class R6 (MIEIX) at 3.60%. This indicates that CCWSX's price experiences larger fluctuations and is considered to be riskier than MIEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CCWSX	MIEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.57%	3.60%	+1.97%
Volatility (6M) Calculated over the trailing 6-month period	14.35%	10.59%	+3.76%
Volatility (1Y) Calculated over the trailing 1-year period	16.98%	13.32%	+3.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.33%	15.38%	+2.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.49%	15.90%	+2.59%

CCWSX vs. MIEIX - Expense Ratio Comparison

CCWSX has a 1.05% expense ratio, which is higher than MIEIX's 0.68% expense ratio.

Dividends

CCWSX vs. MIEIX - Dividend Comparison

CCWSX's dividend yield for the trailing twelve months is around 1.51%, less than MIEIX's 2.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CCWSX Chautauqua International Growth Fund	1.51%	1.43%	0.45%	0.16%	0.80%	0.47%	0.28%	1.85%	2.25%	3.31%	0.00%	0.00%
MIEIX MFS International Equity Fund Class R6	2.60%	2.68%	1.47%	1.67%	1.26%	5.40%	1.00%	3.12%	1.63%	1.85%	1.78%	1.71%

Frequently Asked Questions

Can I hold both CCWSX and MIEIX in my portfolio?

CCWSX and MIEIX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CCWSX or MIEIX?

CCWSX has higher volatility (5.57%) compared to MIEIX (3.60%). In terms of maximum drawdown, CCWSX dropped -34.59% vs MIEIX's -53.13%.

Which has better risk-adjusted returns?

MIEIX currently has the higher Sharpe Ratio (0.91 vs 0.07), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.